Indrajaya, Undang, Siti Sadiah, Rostina Sundayana, and Nitta Puspitasari. “Scratch Vs Excel: Enhancing Math Problem-Solving and Student Confidence”. Plusminus: Jurnal Pendidikan Matematika 5, no. 1 (March 30, 2025): 91–104. Accessed June 16, 2025. https://journal.institutpendidikan.ac.id/index.php/plusminus/article/view/2556.